MORE ON MCCABE:

As recently as last week, Mr. McCabe had told people he hoped to stay until he was eligible to retire in mid-March. Instead, Mr. McCabe made his intentions known to colleagues on Monday, an American official said, and will immediately go on leave.

In a recent conversation, Christopher A. Wray, the F.B.I. director, raised concerns about a forthcoming inspector general report examining the actions of Mr. McCabe and other senior F.B.I. officials during the 2016 presidential campaign, when the bureau was investigating both Hillary Clinton’s email use and the Trump campaign’s connections to Russia. In that discussion, according to one former law enforcement official close to Mr. McCabe, Mr. Wray suggested moving Mr. McCabe into another job, which would have been a demotion.

Instead, the former official said, Mr. McCabe chose to leave.

In a message to F.B.I. employees on Monday afternoon, Mr. Wray said he would not comment on “specific aspects” of the inspector general review.

Sounds like that IG report just might live up to the hype.